Mounting arm



FIG. 1 is a top perspective view of a mounting arm in accordance withthe present design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a side thereof, the opposite side view being the same;

FIG. 4 is a top view thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a bottom view thereof.

The broken lines in the drawings illustrate portions of the mounting armwhich forms no part of the claimed design. Any shading forms no part ofthe claimed design and is provided to illustrate contour only and is notan indication of texture, gloss, and the like.

CLAIM We claim the ornamental design for a mounting arm, as shown anddescribed.